InChI=1/C23H19F3N2O3/c1-15-3-2-4-17(13-15)22(29)14-21(16-5-7-18(8-6-16)23(24,25)26)27-19-9-11-20(12-10-19)28(30)31/h2-13,21,27H,14H2,1H3/t21-/m0/s1 DB0C61E937CBBFA7